He also claimed the 'America's Got Talent' judge - who is also mother to Phoenix, 19, from her first marriage to Jimmy Gulzar - frequently walks into walls because she is so addicted to drugs and alcohol, and is often so intoxicated, she tries to pull down her pants and urinate on the couch, even in front of her children.
According to the documents, Stephen sent Mel's therapist text messages to plead with him to stop giving her medication as he feared she would overdose and die like Michael Jackson.
The 42-year-old singer has previously claimed Stephen forced her into having threesomes, but he insists that is a lie and he has videos where she initiated and recorded the raunchy sessions.
According to Stephen, Mel looked into the camera and said, "That's hot!" and "I like it."
The British singer has claimed her former spouse - who she split from a year ago - showed the children appalling videos featuring terrorist beheadings, but he insisted that is a blatant lie and he has never even searched for such footage.
- Bang! Showbiz